(19)

(11)

EP 0 797 419 A1

(12)

(43) Date of publication: 01.10.1997 Bulletin 1997/40 (21) Application number: 95916858.0 (22) Date of filing: 04.05.1995

(51) International Patent Classification (IPC):  A61F 2/ 64( . ) A61F 2/ 80( . ) A61F 2/ 50( . ) A61F 2/ 74( . ) A61F 2/ 68( . ) A61F 2/ 00( . ) A61F 2/ 60( . ) A61F 2/ 78( . ) (86) International application number: PCT/NL1995/000162 (87) International publication number: WO 1995/030391 (16.11.1995 Gazette 1995/49)

(84) Designated Contracting States: DE ES FR GB IT NL (30) Priority: 04.05.1994 NL 19940000733 (71) Applicant: AMBROISE HOLLAND B.V. 7521 DP Enschede (NL)	(72) Inventors: COOL, Jan, Constant NL-2641 AC Pijnacker (NL) LEMMERS, Landoaldus, Gerhardus NL-7511 LC Enschede (NL) (74) Representative: Van Someren, Petronella F. H. M.  Arnold & Siedsma, Advocaten en Octrooigemachtigden, Sweelinckplein 1 2517 GK Den Haag 2517 GK Den Haag (NL)